The Serpentine Demon Kingdom had a laid-back and comfortable adventuring atmosphere, where adventurers generally adventured at a slower pace, enjoying pleasures they couldn't experience from staying at home.
Is fighting with monsters fun? That's a difficult question to answer.
On one hand, people don't hope for too many dangerous monsters in the world, as each one of them adds to everyone's life pressures.
On the other hand, if there were no dangerous monsters, who would everyone fight?
Think about it, why is fighting monsters in video games interesting? Because after killing them, they drop items, such as coins, magic materials. In this way, monsters become a sort of resource, making the battle much more interesting.
For a simple example, consider someone living in a desolate mountain, encountering many ghosts and zombies the moment they step outside—such a hostile environment.